期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：1999
卷号：96
期号：14
页码：8003-8006
DOI：10.1073/pnas.96.14.8003
语种：English
出版社：The National Academy of Sciences of the United States of America
摘要：Despite considerable interest in using stable-hydrogen isotope ratio ({delta}D) measurements in ecological research, it was previously unknown whether hydrogen derived from drinking water, in addition to that derived from diet, contributed to the nonexchangeable hydrogen in animal tissues. We raised four experimental groups of quail (Coturnix coturnix japonica) from hatch on two isotopically distinct diets (mean nonexchangeable {delta}D: -146 and -60{per thousand
